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Troubleshoot Windows Media Player Errors - Microsoft Support
Repair or reset Windows Media Player: If Windows Media Player is not working properly, you can try to repair or reset it to its default settings.To do this, Select Start > Settings > Apps > Installed Apps.. Scroll down and click the three horizontal dots next to Windows Media Player and choose Advanced options, and click the Repair or Reset button. Note that resetting Windows Media Player will ...
Install, manage, or uninstall apps in Microsoft Edge
Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.
Applies To: Microsoft Edge
My Account portal for work or school accounts - Microsoft Support
Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method
Manually add an account to the Microsoft Authenticator app
Add your work or school account. On your computer, note the Code and Url information on the Configure mobile app page.Keep this page open so you can see the code and URL.
Fix common Surface problems using the Surface app and Surface ...
The toolkit checks for updates and checks different parts of your Surface. You can skip the tests that don't apply to your issue. Tests include:
KB5017220:针对 Windows Server 2012 R2 的扩展安全汇报许可准备包的更新
发布频道. 可用. 下一步. Windows Update 和 Microsoft Update. 否. 请参阅下面的其他选项。 Microsoft 更新目录. 是. 若要获取此更新的独立包,请转到 Microsoft 更新目录网站。. Windows Server Update Services (WSUS)
Microsoft Store doesn't open - Microsoft Support
If you're having trouble launching Microsoft Store, here are some things to try: Reset the Microsoft Store cache: Press the Windows Logo Key + R to open the Run dialog box, type wsreset.exe, and then select OK.
Windows 10 update history - Microsoft Support
Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.
How to close your Microsoft account - Microsoft Support
Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.
Excel help & learning
Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.